O 01:04:35 * 39. The duration rule always its yield. () the value of a bond following a change in The estimated price may be biased either upward or downward, depending on whether the bond is trading at a discount or a premium. overestimates underestimates provides an unbiased estimate of *71. If an investment returns a higher percentage of your money back sooner, it will () have a higher credit rating be less price-volatile have a higher modified duration be less liquid